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Kernel: Ensure that we don't use a hard-disabled IRQController

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Liav A 2020-03-06 21:33:12 +02:00 • committed by Andreas Kling
parent 893d4a41c2
commit c2c0e9fb04
Notes: sideshowbarker 2024-07-19 08:09:32 +09:00
2 changed files with 6 additions and 6 deletions
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3
Kernel/Interrupts/IOAPIC.cpp
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@ -245,6 +245,7 @@ int IOAPIC::find_redirection_entry_by_vector(u8 vector) const
void IOAPIC::disable(u8 interrupt_vector)
{
InterruptDisabler disabler;
ASSERT(!is_hard_disabled());
int index = find_redirection_entry_by_vector(interrupt_vector);
if (index == (-1)) {
map_interrupt_redirection(interrupt_vector);
@ -257,6 +258,7 @@ void IOAPIC::disable(u8 interrupt_vector)
void IOAPIC::enable(u8 interrupt_vector)
{
InterruptDisabler disabler;
ASSERT(!is_hard_disabled());
int index = find_redirection_entry_by_vector(interrupt_vector);
if (index == (-1)) {
map_interrupt_redirection(interrupt_vector);
@ -269,6 +271,7 @@ void IOAPIC::enable(u8 interrupt_vector)
void IOAPIC::eoi(u8) const
{
InterruptDisabler disabler;
ASSERT(!is_hard_disabled());
APIC::eoi();
}

9
Kernel/Interrupts/PIC.cpp
View file

@ -61,8 +61,7 @@ bool inline static is_all_masked(u8 reg)
void PIC::disable(u8 irq)
{
InterruptDisabler disabler;
if (is_hard_disabled())
return;
ASSERT(!is_hard_disabled());
u8 imr;
if (irq >= 8) {
imr = IO::in8(PIC1_CMD);
@ -99,8 +98,7 @@ bool PIC::is_vector_enabled(u8 irq) const
void PIC::enable(u8 irq)
{
InterruptDisabler disabler;
if (is_hard_disabled())
return;
ASSERT(!is_hard_disabled());
u8 imr;
if (irq >= 8) {
imr = IO::in8(PIC1_CMD);
@ -117,8 +115,7 @@ void PIC::enable(u8 irq)
void PIC::eoi(u8 irq) const
{
InterruptDisabler disabler;
if (is_hard_disabled())
return;
ASSERT(!is_hard_disabled());
if (irq >= 8)
IO::out8(PIC1_CTL, 0x20);
IO::out8(PIC0_CTL, 0x20);